Journal model: call the postLoad callback on fetch too.

It's really annoying that it doesn't do it automatically as it should,
in the meanwhile, add this workaround.

I reported it to upstream:
https://github.com/requery/requery/issues/487

app/src/main/java/com/etesync/syncadapter/model/JournalModel.java

@@ -65,7 +65,12 @@ public class JournalModel {
         }
 
         public static JournalEntity fetch(EntityDataStore<Persistable> data, String url) {
-            return data.select(JournalEntity.class).where(JournalEntity.UID.eq(url)).limit(1).get().firstOrNull();
+            JournalEntity ret = data.select(JournalEntity.class).where(JournalEntity.UID.eq(url)).limit(1).get().firstOrNull();
+            if (ret != null) {
+                // FIXME: For some reason this isn't always being called, manually do it here.
+                ret.afterLoad();
+            }
+            return ret;
         }
 
         public static JournalEntity fetchOrCreate(EntityDataStore<Persistable> data, CollectionInfo collection) {